Capilube Machined type Needle Roller bearing is newly available. Capilube Bearings with solid lubricant oil Machined type Needle Roller bearings and Followers

CAT-5943 Capilube bearings are bearings that are Feature of Capilube bearings Applications pre-packed with thermosetting solid lubricant Most suitable for applications of printing ma- Maintenance work can be reduced greatly (Capilube) in the bearing space. Capilube is a chines, food-manufacturing , liquid lubricant made by thermosetting a large Work for control can be reduced crystal/semiconductor manufacturing equip- amount of oil and fine particles of ultra high by a good lubrication performance kept by ment, various types of washing line, various molecular weight polyolefine resin. As the pre-packed solid type lubricant. typestypes ofof transporttransport lines,lines, etc.etc. bearing rotates, the lubricating oil oozes out Best suit for oil free environment onto the raceway in proper quantity, keeping applications the lubrication performance for a long period No oil scattering makes any pollution in the Crowned outer ring of time. ambient environment. is effective in moderating the edge load due to Best remedy for grease loss With retainer mounting errors. Best solution for grease loss at hard-to grease positions by the restriction of ma- chine/equipment structure.

Capilube Machined type Outer ring Needle Roller bearings

Many needle rollers are arranged at a Needle roller Thrust disk small spacing pitch, and can make is effective in supporting bearing sectional height very low. unexpected thrust load due It is the most suitable to oscillating Cage to mounting errors. With hexagon motions. socket hole for easy mounting With seals

Capilube Cam Followers

With a pre-packed solid type Cam Follower is the best bearing for cam lubricant, the lubrication per- mechanism and linear motion and has high formance can be kept for a long time. rigidity and high accuracy.

Capiluibe

Needle roller

1 2 Maintenance Free bearing series Table 2 Tolerances for the smallest single roller (1) Fit set diameter Fws min ∆ [ Capilube Bearings with solid lubricant oil ] F Fws min The recommended fits for Capilube Machined type Needle w Deviation of the smallest Nominal roller set bore diameter Roller bearings are shown in Table 4 to 5. mm single roller set bore diameter μm Machined type Needle Roller bearings Table 4 Fit between Capilube Machined type Over Incl. High Low Needle Roller bearings and housings Tolerance class 10 18 ＋27 ＋16 Load condition of housing Capilube Machined type Needle Roller bearing is a needle roller bearing that is pre- 18 30 ＋33 ＋20 ( 1 ) Rotating load Normal load N7 30 45 ＋41 ＋25 packed with thermosetting solid lubricant (Capilube) in the bearing space. As the bearing ro- on outer ring Light load, Fluctuating load M7 Note ( 1 ) : This is the diameter of the used instead of the inner ring, where the radial clearance becomes zero at least in one radial direc- Directionally Normal load K7 tates, the lubricating oil oozes out onto the raceway in proper quantity, keeping the lubrication tion. indeterminate load Light load, normal load J7 performance for a long period of time. Design of shaft and housing Stationary load Light load, normal load H7 on outer ring Capilube Machined type Needle Roller bearings does not With heat conduction through shaft G7 have inner ring so that the shaft can be used directly as the race- With light or normal load, way surfaces. Shaft and housing according to specification in especially accurate rotation and K6 With a low sectional height, it can have large load ratings. high rigidity are required. Table 3 are recommended. Machined outer ring has superior rigidity and can be fitted into light alloy housing. Note ( 1 ) : Care should be taken so that the radial internal clearance is not too Table 3 Specification of shaft and housing small. Rotational endurance test Oscillating endurance test Remark 1: This table applies to steel or cast iron housings. For lighter metal, a Item Shaft Housing Test conditions Test conditions tighter fit should be selected. For split housings, do not use a fit tighter 1 1 Test bearing: Test bearing: 0.3×1T6 ( ) 0.3×1T7 ( ) than J7. Capilube Machined type Capilube Machined type Roundness or or 2:Light load and normal load represent P ≦0.06C and 0.06C

C C Hardness 58～64HRC － 80 80 ° 80 80 ° CN clearance h5 Residual oil content ratio 1 70 Residual oil content ratio 70 70 70 Note ( ) : 30% or less of the dimensional tolerance for the shafts or housing in the bearing bores is recommended. Larger than CN clearance g6 60 in the bearing 60 60 60 ( 2 ) : 50% or less of the dimensional tolerance for shafts or housing bores is 50 50 50 50 Remark: When the housing bore fit is tighter than K7, the shaft diameter is recommended. made smaller by considering shrinkage of roller set bore diameter after 40 40 40 40 3 Bearing temperature ( ) : When required accuracy is not critical, a surface roughness within 0.8 mounting. 30 30 30 30 μmR (3.2μm R ) is allowable. in the bearing % a y in the bearing % 20 20 20 Bearing temperature 20 ( 4 ) : An appropriate depth of the hardened layer is required. Bearing temperature Bearing temperature Bearing temperature Residual oil content ratio 10 10 Residual oil content ratio 10 10 Mounting 0 0 0 0 021 000 000 3 000 4 000 5 000 01 000 2 000 3 000 Operation time min Number of oscillation x 104 times Allowable rotational speed 1. Mounting dimension for Capilube Machined type Needle Roller bearings are shown in the dimension table. The allowable rotational speeds of Capilube Machined 2. When mounting Capilube Machined type Needle Roller Identification number Accuracy type Needle Roller bearings are affected by mounting and operat- bearings, pay attention to avoid locating the oil hole of the inner (1) ing conditions. Recommended dmn value is less than 20,000 ring within the loading zone. This may lead to a short bearing The identification number example of Capilube Machined The accuracy of Capilube Machined type Needle Roller under pure radial load condition. Under actual usage, dmn value is life. type Needle Roller bearing is shown. bearings conforms to JIS B 1514:2000 (Tolerances of Rolling Bear- recommended to be less than 2,000 due to unexpected axial load. ings), and the dimensional accuracy and rotational accuracy are Caution for use Identification number ( 1 ) TAF 12 19 12P6/SG specified. Representative tolerances of outer ring are shown in Note : Value dmn = (Bearing bore dia. [mm] +Bearing outside dia.[mm])/2 x Number of revolution [rpm] Type of bearing Table 1 and the tolerances for the smallest single roller set bore 1. Never wash bearing with organic solvent and/or white kerosene, /SG: Capilube specification diameter is shown in Table 2. which have the ability to remove fat. Bearing bore diameter 2. To ensure normal rotation of the bearing, apply a load of 1% or Table 1 Tolerance for outer ring unit:μm more of the dynamic load rating at use. Bearing outside diameter D ∆Dmp ∆Cs 3. The operating temperature range is -15 to +80°C. For continu- Nominal Outer ring width Single plane mean outside Deviation of a single outer ous operation, the recommended operating temperature is bearing diameter deviation ring width outside +60°C or less. Accuracy class diameter Class Class Class Class Class Class Class Class 4. When using two or more Capilube Machined type Needle mm 0 6 5 4 0 6 5 4 Basic dynamic load rating Roller bearings adjacent to each other on the same shaft, it is necessary to obtain an even load distribution. On request, a set Incl. Low Low Low Low Low Low Low Low High High High High High High High High Over The basic dynamic load rating is defined as the constant radial of bearings is available, in which bearings are matched to obtain 18 22 0 —9 0 —8 0 —6 0 —5 0 —120 0 —120 0 —40 0 —40 load acting along the bearing central axis that allows a basic rating an even load distribution. life of 1,000,000 revolutions. 22 30 0 —9 0 —8 0 —6 0 —5 0 —120 0 —120 0 —80 0 —80 30 50 0 —11 0 —9 0 —7 0 —6 0 —120 0 —120 0 —120 0 —120

Basic static load rating 50 80 0 —13 0 —11 0 —9 0 —7 0 —120 0 —120 0 —120 0 —120

The basic static load rating is the static load that gives the contact stress reaches 4,000Mpa at the center of the contact area of the rolling elements and the raceway receiving the maximum load. 3 4 Capilube Machined type Needle Roller bearings

C C r r r r a w w D D D F F

Fw≦26 Fw＞26 (Without oil hole and oil groove) (With oil hole and oil groove)

Mass Boundary dimensions Standard Basic dynamic Basic static Shaft dia. (Reference) mm mounting dimension load rating load rating

Identification number D C C Identification number 1 a 0 F DC r ( ) mm g w s min Max. mm N N

TAF 121912/SG 12.5 12 19 12 0.3 17 6 610 7 260 TAF 121912/SG 12 TAF 121916/SG 16.8 12 19 16 0.3 17 9 250 11 200 TAF 121916/SG

TAF 152316/SG 23.5 15 23 16 0.3 21 12 300 14 900 TAF 152316/SG 15 TAF 152320/SG 29 15 23 20 0.3 21 15 600 20 200 TAF 152320/SG

TAF 182616/SG 26.5 18 26 16 0.3 24 13 400 17 500 TAF 182616/SG 18 TAF 182620/SG 33 18 26 20 0.3 24 17 000 23 600 TAF 182620/SG

TAF 202816/SG 28.5 20 28 16 0.3 26 13 900 18 800 TAF 202816/SG 20 TAF 202820/SG 37 20 28 20 0.3 26 17 600 25 400 TAF 202820/SG

TAF 223016/SG 31 22 30 16 0.3 28 14 900 21 200 TAF 223016/SG 22 TAF 223020/SG 39 22 30 20 0.3 28 18 900 28 700 TAF 223020/SG

TAF 253316/SG 35 25 33 16 0.3 31 15 800 23 700 TAF 253316/SG 25 TAF 253320/SG 43.5 25 33 20 0.3 31 20 000 32 100 TAF 253320/SG

TAF 304020/SG 67 30 40 20 0.3 38 25 100 40 100 TAF 304020/SG 30 TAF 304030/SG 101 30 4030 0.3 38 36 000 63 900 TAF 304030/SG

TAF 455520/SG 95.5 45 55 20 0.3 53 31 000 60 200 TAF 455520/SG 45 TAF 455530/SG 144 45 5530 0.3 53 44 600 95 800 TAF 455530/SG

Note ( 1 ) : Minimum allowable value of chamfer dimension r. 1N≒0.102kgf Remark : Bearing with a roller set bore diameter Fw of 26mm or less have no oil hole and oil groove. In others, the outer ring has an oil hole and an oil groove. Example of identification number

Model Accuracy Model code Dimension class code TAF 12 19 12P6 /SG

Model code Model code TAF SG

Bearing bore diameter Accuracy class No symbol JIS Class 0 Bearing outside diameter P6 JIS Class 6 Outer ring width P5 JIS Class 5 P4 JIS Class 4

5 6 Maintenance free Needle Roller bearing series Accuracy Mounting

[ Pre-packed with solid type lubricant ] The accuracy of Capilube Cam Follower is shown in Table 6. 1. Make the center axis if the mounting hole perpendicular to the And the radial run-out of the outer ring is controlled 15μm in maxi- moving direction of the Capilube Cam Follower and Capilube Cam Followers mum. match the side shoulder accurately with the seating surface in- Table 6 Tolerances Unit: μm dicated by dimension f in the table of dimensions. Then, fix the Cam Follower with the nut. Do not hit the flange head of the Outside diameter Width of outer ring Stud diameter of outer ring Capilube Cam Follower directly with a hammer, etc. This Cam Follower is bearing with a stud incorporating needle rollers in a thick walled outer ring. It D d1 C may lead to a bearing failure such as irregular rotation or crack- 0 0 ing. has high rigidity and high accuracy and is suitable to cam and linear motion mechanisms. Tolerances h7 -50 -120 2. The mark on the flange head of the stud indicates the oil Capilube Cam Follower is a Cam Follower that is pre-packed with thermosetting solid hole position on the raceway. Avoid locating the oil hole within the loading zone which may lead to a short bearing life. (See Clearance lubricant (Capilube) in the bearing space. Fig.1) The radial internal clearances of Capilube Cam Follower Oil hole are shown in Table 7. The lubrication effect can be maintained in long time operation. Table 7 Radial internal clearance unit: μm Radial internal clearance It contributes to “Maintenance free”. Identification number Min. Max. Rotational endurance test 100 CF 6 WBUUR/SG 5 20 Capilube Cam Follower Test condition CF 8 WBUUR/SG Test product CF 10 WBUUR/SG Capilube Cal Follower: CF10/SG 75 CF 10-1 WBUUR/SG 5 25 Standard Cam Follower: CF10 CF 12 WBUUR/SG Load Rotational speed : 1,000rpm CF 12-1 WBUUR/SG Ambient temperature : Room temperature Fig.1 Oil hole position and loading direction Remark: Values are applicable before the solid type lubricant is packed. 50 3. When tightening the nut, the tightening torque should not ex- Fit ceed the value shown in the dimension table. If the tightening Standard Cam Follower torque is too large, it is possible that the threaded portion of the Mounting hole tolerance for stud is recommended to be H7 for 25 stud will be broken. When there is a possibility of loosening, a Capilube Cam Followers. In case it is supported in a canti- special nut such as lock nut, spring washer, or self-locking nut lever position, the mounting hole diameter should be prepared should be used. Residual oil content ratio in the bearing % without play between the stud and the mounting hole especially 0 01 000 2 0003 000 4 000 5 000 when heavy shock loads are applied. Caution for use Operation time min. Allowable rotational speed 1. Never wash bearing with organic solvent and/or white kerosene, which have the ability to remove fat. The allowable rotational speeds of Capilube Cam Follower 2. To ensure normal rotation of the bearing, apply a load of 1% or are affected by mounting and operating conditions. Identification number Basic static load rating more of the dynamic load rating at use. Recommended value (1) is less than 10,000 under pure radial d1n 3. The operating temperature range is -15 to +80°C. For continu- An example of identification number of Capilube Cam Fol- The basic static load rating is the static load that gives the contact load condition. Under actual usage, value is recommended to d1n ous operation, the recommended operating temperature is lower is shown. stress reaches 4,000Mpa at the center of the contact area of the be less than 1,000 due to unexpected axial load. +60°C or less. rolling elements and the raceway receiving the maximum load. Identification number CF 8 W B UU R /SG Note ( 1 ) : 4. When the lubricant status is not enough between the outer ring Value = (Stud diameter [mm]) x (Number of revolution [rpm]) Maximum Allowable Load d1n d1 n and the mating track surface, seizure or wear may be occurred Model code depending on the operating conditions. In particular, care must

Size The applicable load on Capilube Cam Follower is, in some be taken for lubricating condition and contacting surface rough- cases, limited by the bearing strength, shear strength of stud, and ness in case high-speed cam mechanisms. With thrust disk strength of outer ring instead of the load rating of needle roller With hexagon hole bearing, because the Capilube Cam Follower is mounted in Sealed type a cantilever position. Maximum allowable loads limited by the Crowned outer ring bending strength and shear strength.

Basic dynamic load rating Track capacity The capacity is defined as the load which can be continuously ap- The basic dynamic load rating is defined as the constant radial plied on a Capilube Cam Follower placed on a steel track load acting along the bearing central axis that allows a basic rating surface without causing deformation and indentation (dent) on the life of 1,000,000 revolutions. track surface.

7 8 Capilube Cam Followers

C B3

g2 f G D

H 1

d G1

R=500 C1

B B2

B1

Mass Boundary dimension Mounting Maximum Basic dynamic Basic static Maximum Track Stud dia. (1) (Reference) mm dimension tightening load rating load rating allowable capacity torque load Identification number f C C0 Identification number mm g DCd1 G G1 B B1 B2 B3 C1 g2 H Min. max. max. mm N・m N N N N

6 CF 6 WBUUR/SG 18.5 16 11 6 M6 × 1 8 12.2 28.2 16 – 0.6 – 3 11 2.7 3 660 3 650 1 950 1 040 CF 6 WBUUR/SG

8 CF 8 WBUUR/SG 28.5 19 11 8 M8 × 1.25 10 12.2 32.2 20 – 0.6 – 4 13 6.5 4 250 4 740 4 620 1 330 CF 8 WBUUR/SG

CF 10 WBUUR/SG 45 22 12 10 M10 × 1.25 12 13.2 36.2 23 – 0.6 – 4 16 13.8 5 430 6 890 6 890 1 610 CF 10 WBUUR/SG 10

CF 10-1 WBUUR/SG 60 26 12 10 M10 × 1.25 12 13.2 36.2 23 – 0.6 – 4 16 13.8 5 430 6 890 6 890 2 030 CF 10-1 WBUUR/SG

CF 12 WBUUR/SG 95 30 14 12 M12 × 1.5 13 15.2 40.2 25 6 0.6 3 6 21 21.9 7 910 9 790 9 790 2 470 CF 12 WBUUR/SG 12

CF 12-1 WBUUR/SG 105 32 14 12 M12 × 1.5 13 15.2 40.2 25 6 0.6 3 6 21 21.9 7 910 9 790 9 790 2 710 CF 12-1 WBUUR/SG

Note ( 1 ) : Values in the table are applicable when the hardness of the mating track surface is 40HRC. When the hardness of the mating 1N≒0.102kgf track surface differs from 40HRC, the track capacity is obtained by multiplying track capacity factor shown in Table 8.

Remark : Models with a stud diameter d1 of 10mm or less has no oil hole. The others are provided with one oil hole each on the outside sur- face and end surface of the stud.

Table 8 Track capacity factor

Hardness Tensile strength Track capacity HRC N/mm2 factor

20 760 0.22 25 840 0.31 30 950 0.45 35 1 080 0.65 38 1 180 0.85 Example of identification number 40 1 250 1.00 42 1 340 1.23 Model Model code Dimension Supplemental code code 44 1 435 1.52 CF 8 W B UU R /SG 46 1 530 1.85 48 1 635 2.27 Model code Model code CF SG 50 1 760 2.80 Dimension Supplemental code –4: 52 1 880 3.46 Crowned outer ring Supplemental code –1: 54 2 015 4.21 With thrust washer Supplemental code –3: Sealed type 56 2 150 5.13 Supplemental code –2 : With hexagon hole 58 2 290 6.26

9 10 Capilube Bearings

Printed in Japan 2004.09 (SIG)